Voltage-Controlled Resistors using JFETs​

As the industry leader in JFET products, InterFET offers the widest range of options available in voltage-controlled resistors. Our extensive JFET portfolio is specifically designed to meet the circuit requirements of various industries, including instrumentation, medical devices, audio systems, automotive applications, military and aerospace technologies, as well as high-precision sensor interfaces. Regardless of the complexity of your project, InterFET has the perfect JFET solution to ensure exceptional performance.
The InterFET voltage-controlled resistor table empowers you to sort JFETs based on any desired parameter, allowing you to find the perfect component for your application. The JFETs listed in this table were carefully selected for their near-linear function, providing precise control of drain-source conductance based on the gate-source voltage.
resistor electrical pcb
PRODUCT PACKAGE BVgss (min) V Vgso (min) V Vgso (max) V Idss (min) mA Idss (max) mA Gm (min) mS ēn (typ) ɳV√Hz Ciss (max) pF TYPE CONFIG ORDERING
PRODUCT PACKAGE BVgss (min) V Vgso (min) V Vgso (max) V Idss (min) mA Idss (max) mA Gm (min) mS ēn (typ) ɳV√Hz Ciss (max) pF TYPE CONFIG ORDERING
2N4338 TO-18 -50 -0.30 -1.00 0.20 0.60 0.60 6.00 7.00 N-CH SINGLE Mouser
2N4339 TO-18 -50 -0.60 -1.80 0.50 1.50 0.80 6.00 7.00 N-CH SINGLE Mouser
2N4340 TO-18 -50 -1.00 -3.00 1.20 3.60 1.30 6.00 7.00 N-CH SINGLE Mouser
2N4341 TO-18 -50 -2.00 -6.00 3.00 9.00 2.00 6.00 7.00 N-CH SINGLE Mouser
PN4338 TO-92 -50 -0.30 -1.00 0.20 0.60 0.60 6.00 7.00 N-CH SINGLE Mouser
PN4339 TO-92 -50 -0.60 -1.80 0.50 1.50 0.80 6.00 7.00 N-CH SINGLE Mouser
PN4340 TO-92 -50 -1.00 -3.00 1.20 3.60 1.30 6.00 7.00 N-CH SINGLE Direct
PN4341 TO-92 -50 -2.00 -6.00 3.00 9.00 2.00 6.00 7.00 N-CH SINGLE Direct
PNVCR2N TO-92 -15 -1.00 -3.50 2.00 7.50 N-CH SINGLE Direct
PNVCR3P TO-92 15 1.00 5.00 8.00 25.00 P-CH SINGLE Direct
PNVCR4N TO-92 -15 -3.50 -7.00 6.00 3.00 N-CH SINGLE Direct
PNVCR7N TO-92 -15 -2.50 -5.00 8.00 1.50 N-CH SINGLE Direct
SMP4338 SOT-23 -50 -0.30 -1.00 0.20 0.60 0.60 6.00 7.00 N-CH SINGLE Mouser
SMP4339 SOT-23 -50 -0.60 -1.80 0.50 1.50 0.80 6.00 7.00 N-CH SINGLE Mouser
SMP4340 SOT-23 -50 -1.00 -3.00 1.20 3.60 1.30 6.00 7.00 N-CH SINGLE Mouser
SMP4341 SOT-23 -50 -2.00 -6.00 3.00 9.00 2.00 6.00 7.00 N-CH SINGLE Mouser
SMPVCR11N SOIC-8 -25 -8.00 -12.00 4.00 7.50 N-CH DUAL Direct
SMPVCR2N SOT-23 -15 -1.00 -3.50 2.00 7.50 N-CH SINGLE Direct
SMPVCR3P SOT-23 15 1.00 5.00 8.00 25.00 P-CH SINGLE Direct
SMPVCR4N SOT-23 -15 -3.50 -7.00 6.00 3.00 N-CH SINGLE Direct
SMPVCR7N SOT-23 -15 -2.50 -5.00 8.00 1.50 N-CH SINGLE Direct
VCR11N TO-71 -25 -8.00 -12.00 4.00 7.50 N-CH DUAL Mouser
VCR2N TO-18 -15 -1.00 -3.50 2.00 7.50 N-CH SINGLE Mouser
VCR3P TO-18 15 1.00 5.00 8.00 25.00 P-CH SINGLE Mouser
VCR4N TO-18 -15 -3.50 -7.00 6.00 3.00 N-CH SINGLE Mouser